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3.4 Determine Installation Location
WARNING
DO NOT Install in areas where air for
Ÿ
combustion can be contaminated with
chemicals.
Before installation, consider where air has
Ÿ
the ability to travel within the building to
the water heater.
Make sure the equipment has adequate
Ÿ
combustion air and proper ventilation.
Failure to do so may result in carbon
monoxide poisoning or death.
Chemicals that are corrosive in nature
Ÿ
should not be stored or used near the
water heater.
WARNING
Install the water heater as far away as
Ÿ
possible from exhaust vent hoods.
Install as far away as possible from air
Ÿ
inlet vents. Corrosive fumes may be
released through these vents when air is
not being brought in through them.
Chemicals that are corrosive in nature
Ÿ
should not be stored or used near the
water heater or vent termination.
You must ensure that clearances will be met and
that the vent length will be within required limits.
Consider the installation environment, water
quality, and need for freeze protection.
Requirements for the gas line, water lines, electrical
connection, and condensate disposal can be found
in their respective installation sections of this
manual.
Water quality
Consideration of care for your water heater should
include evaluation of water quality.
The water must be potable, free of corrosive
chemicals, sand, dirt, or other contaminates. It is
up to the installer to ensure the water does not
contain corrosive chemicals, or elements that can
affect or damage the heat exchanger. Water that
contains chemicals exceeding the levels below
affect and damage the heat exchanger.
Replacement of the heat exchanger due to water
quality damage is not covered by the warranty.
Environment
Air surrounding the water heater, venting, and vent
termination(s) is used for combustion and must be
free of any compounds that cause corrosion of
internal components. These include corrosive
compounds that are found in aerosol sprays,
detergents, bleaches, cleaning solvents, oil based
paints/ varnishes, and refrigerants. The air in
beauty shops, dry cleaning stores, photo
processing labs, and storage areas for pool
supplies often contains these compounds.
Therefore it is recommended that outdoor models
be used for these locations where possible.
The water heater, venting, and vent termination(s)
should not be installed in any areas where the air
may contain these corrosive compounds. If it is
necessary for a water heater to be located in areas
which may contain corrosive compounds, the
following instructions are strongly recommended.
Installation space
WARNING
Keep all the space around the water heater.
Failure to do so may result in fire and may
result in death. injury and or property loss.
Minimum clearances from combustible or
noncombustible construction and for servicing and
proper operation:
Top
Bottom
12 in
12 in
(305mm)
(305mm)
Installation
Front
Back
24 in
0 in
(610mm)
(0mm)
(150mm)
Sides
6 in
15
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